描述
外部设备的信号通过冗余配置(模拟量)或通过扩展转换(开关量)分别送入2套DCS系统。同时因保证不出现误操作事故，还增加了相当部分的判据条件和I／0测点，这种方式的优点是当一台机组停运或检修，可以较方便地对DCS进行检查，同时也增大了控制的可靠性，缺点是增加了外部设备的数量
ENCORP GPC 003-51 REV A BOARD
BENTLY NEVADA 3300/05 SYSTEM POWER SUPPLY RACK
ECONO LIFT TR20 PORTABLE BOX TILTER
HAYWARD STI02094 VALVE
EM Electronic Measurements TCR20T250-1 Power Supply
15 GOULD ITE UNIVERSAL LIGHTING DUCT TPG312-3S
LIFT-RITE L50 PALLET JACK 5000LBS 42” WIDE
350 ASYST TECHNOLOGIES 6002TD000200 DUAL GEAR ADJUSTER
Solomat MPM 2000 Modumeter
AUTONETICS T/E CHAMBER HEAT FURNACE
PULIZZI PC726-D-2482 POWER DISTRIBUTION UNIT
BRANSON 222-100-016 REV122 LASER MODULE INTERFACE
